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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Aesthetic improvements to bonnet shutters by widening the gap and rounding the edges, and requesting a sample.

Identifier  ExFiles\Box 119\3\  scan0159
Date  20th October 1931
  
COPY. 81085.
DA{Bernard Day - Chassis Design}/EVL/M20.10.31. X1085

BY.{R.W. Bailey - Chief Engineer} FROM DA{Bernard Day - Chassis Design}/EV{Ivan Evernden - coachwork}

C. to WOR.{Arthur Wormald - General Works Manager} SG.{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} BONNET SHUTTERS.

SG.{Arthur F. Sidgreaves - MD} pointed out to me at the Salon that our shutters on the whole did not look quite as good as some we have seen, and it was agreed that what we needed was a wider and more well defined gap between the shutter and the bonnet, and that the gap should have rounded edges.

These two features will tend to masck any irregularities in the width of the gap between the bonnet and the shutter.

We have previously asked Derby to test some shutters having a raduis on the edge of the bonnet and the shutter.

We would be glad if you would at once make a sample bonnet side panel in the thick material, either .104 or.128, in which the gap isslightly less fine, say 30/1000 average, and with the edges of the bonnet and the shutter radiused.

DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork}
  
  


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